On the Response of Polarimetric GNSS-Reflectometry to Sea Surface Roughness. - Mostafa Hoseini; Maximilian Semmling; Hossein Nahavandchi; Erik Rennspiess; Markus Ramatschi; Rüdiger Haas; Joakim Strandberg; Jens Wickert (IEEE Trans. Geosci. Remote. Sens., 2021)